APA-viite (7. p.)

Guia, C. D. C. (2011). Speech and oral communication (Second edition.). Mindshapers.

Chicago-viite (17. p.)

Guia, Clarissa Dela Cruz. Speech and Oral Communication. Second edition. Manila: Mindshapers, 2011.

MLA-viite (9. p.)

Guia, Clarissa Dela Cruz. Speech and Oral Communication. Second edition. Mindshapers, 2011.